OpenTechnical

OT-2026-000032209

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000032209) never changes.

Identity and time

Publication numberOT-2026-000032209 · never reused
Internal UUID01a0ae74-f7a7-7dca-9f23-78e407af00d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032209
StatusPUBLIC

Content hashes

Canonical textf4b620755b95610d5e1a6e028dc67becc724519e4af82f807ddc94d749d9d431
Markdownea567f8163df89c0c4e10977aae5d4ad830e6e2f5af12a0d01758db3e01872f4
PDF
Publication pagee9a8a6246907f68ecdb67a6691f9298446f0c8ed89efaa54840f4b8f1d482ffa
Manifestb3284c1919e4249d5c7b2fda497a41c9fc4638f1aa9a8f74acb934bebfdd9658

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturew3KRh43AXKU0CTgBg/0a07AqXLe+xixm3yCYggd2BnUjWW2Xizi+eG7HKweunB6vMWv2gmxPoJhlyPwtkLz0CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:33.383860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032209
observed e9a8a6246907f68ecdb67a6691f92984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.366358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032209/manifest.json
observed b3284c1919e4249d5c7b2fda497a41c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.348890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032209/publication.md
observed ea567f8163df89c0c4e10977aae5d4ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.331720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032209/publication.txt
observed f4b620755b95610d5e1a6e028dc67bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.